FDY Performance
Factory 4.1 RCT Titanium Anodized Exhaust Silencer 24-25 Kawasaki KX 450 F X - FMF 042404
Factory 4.1 RCT Titanium Anodized Exhaust Silencer 24-25 Kawasaki KX 450 F X - FMF 042404
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The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap is engineered for serious riders seeking maximum performance and durability. Incorporating advanced FMF Resonance Chamber Technology™ and Factory Forward Engineering, this slip-on silencer centralises mass closer to the motor, improving handling and reducing crash susceptibility. Its aerospace-grade titanium construction with blue anodised finish and a lightweight carbon end cap contribute to massive power gains and significant weight reduction for competitive edge on closed courses.
Features
- Incorporates both internal and external FMF Resonance Chamber Technology™ for optimal power and sound control
- Shorter overall length minimises potential crash damage
- Factory Forward Engineering centralises mass
- Aerospace-grade, blue anodised titanium muffler with carbon end cap
- Delivers massive power gains across the RPM range
- Substantial weight reduction for enhanced performance
- Rapid Tuning System (RTS) for quick adjustments
- 100% manufactured in Southern California
- Includes 94dB quiet insert and screen-type spark arrestor
- Slip-on fitment for easy installation
- For closed course use only
Specifications
- Item ID: 042404
- Type: Slip-On
- Configuration: Single
- Muffler Construction: Titanium
- Muffler Finish: Blue Anodised
- Midpipe: Titanium
- Endcap: Carbon
- Spark Arrestor: Screen insert (included)
- Quiet Insert: 94dB insert (included)
- Carb Warning: Not applicable
Vehicle Fitment
Kawasaki
- KX450F (2024–2025)
- KX450X (2024–2025)
FDY Performance – Engineered for riders who demand more.
At FDY Performance, we deliver precision-engineered motorcycle parts trusted by riders across the UK and beyond. Every component is tested for reliability, durability, and peak performance so you can ride harder, longer, and with confidence.
We’re not just a brand — we’re a movement built by riders, for riders. Whether you’re chasing podiums, upgrading your build, or maintaining your machine, FDY Performance keeps you on the road and at the top of your game.
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